Pedals that stack with the Marshall JTM45 45W Tube Guitar Amp Head

Electro-Harmonix Pico Canyon

Run Marshall JTM45 45W Tube Guitar Amp Head into that transparent platform and it finally gets some mid-forward — goes in the amp's FX loop (or last, into a clean amp)

Tru-Fi The Spider Fuzz

Feed a high gain signal into Marshall JTM45 45W Tube Guitar Amp Head and it comes out closer to mid-forward

Donner Digital Reverb

Into a transparent tone, Marshall JTM45 45W Tube Guitar Amp Head brings the mid-forward it's missing — goes in the amp's FX loop (or last, into a clean amp)

Wampler Reflection

The transparent tone has headroom to spare — Marshall JTM45 45W Tube Guitar Amp Head gives it mid-forward to fill it with — goes in the amp's FX loop (or last, into a clean amp)

EarthQuaker Devices Park Fuzz

Marshall JTM45 45W Tube Guitar Amp Head takes that crunchy character and pushes it toward mid-forward

Alexander Pedals SpaceXpander

Run the SpaceXpander in the JTM45's loop for spring-style reverb without the amp's own tank noise. — goes in the amp's FX loop (or last, into a clean amp)